I really ned help

Question

how do you solve these types of equations

3x^2-27=0

2t^2=100

-4y^2=36

x^2+25=25

please help me and tell me how you got it

Answer 1

Check my answers to amy down below

x^2+25=25
x^2 = 0
x = + or - 0 which is 0